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devlian [24]
2 years ago
9

she claims that because the mean number of words on each page of the language arts book is greater than the mean number of words

on each page of the social studies books, the language arts book has more words per pages. Based on the data, is this a valid inference?
Mathematics
1 answer:
Readme [11.4K]2 years ago
7 0
Well based on this information, I don't think that this is a valid inference. There isn't enough data to go off of in order to answer this question.
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PLSSS ANSWER, 35 pointss
xxTIMURxx [149]

Answer:

1.

(y - 5)(x + y)

2.

{(x - y)}(x - y   + a)

3.

(b - 3)(5b - 17)

Step-by-step explanation:

1. The given polynomial is

x(y - 5) - y(5 - y)

We need to factor the second part to get:

x(y - 5)  +  y(y - 5)

We factor y-5 to obtain:

(y - 5)(x + y)

2. We have

{(x - y)}^{2}  - a(y - x)

We again factor -1 from the second part to get:

{(x - y)}^{2} +  a(x- y)

We now factor x-y to get:

{(x - y)}^{2}   + a(x- y)

{(x - y)}(x - y   + a)

3. We have

2(3 - b) + 5 {(b - 3})^{2}

We factor negative 1 from the first part to get

- 2(b - 3) + 5 {(b - 3})^{2}

We now factor b-3 to get:

(b - 3)( - 2 + 5(b - 3))

We now simplify to get:

(b - 3)( - 2 + 5b - 15) = (b - 3)(5b - 17)

4 0
2 years ago
A number subtracted from 90 is three times that number
sergeinik [125]
90-n=3n
90=4n
22.5=n

Final answer 22.5
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3 years ago
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Cube root of -6×-6 to the power of 2+4 times -6
Orlov [11]
This is what my calculator says

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What does the strategy 'Dont get bogged down' mean
kap26 [50]
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The sum of a number and 3.6 is -2.9 what is the number
babunello [35]

Answer:

-6.5

Step-by-step explanation:

x + 3.6 = -2.9

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5 0
3 years ago
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